81840781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 92225088

約数和(自身を除く): 10384307

約数列:

[1, 11, 37, 211, 407, 953, 2321, 7807, 10483, 35261, 85877, 201083, 387871, 2211913, 7440071, 81840781]

約数ペア:

[(1, 81840781), (11, 7440071), (37, 2211913), (211, 387871), (407, 201083), (953, 85877), (2321, 35261), (7807, 10483)]